YearPToutPBase 100
201194.46%100
201294.21%100.4
201398%100.7
201495.77%101.1
201598.27%101.4
201688.53%101.8
201797.46%102.1
201895.26%102.5
201998.64%102.8
202096.15%103.2
202197.88%103.5
2022100%103.9
Evolution : 3 % entre 2011 et 2022 soit 0.32 % de gain par an.